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1400007113 = 8915730417
BaseRepresentation
bin101001101110010…
…0110100111001001
310121120100201201022
41103130212213021
510331400211423
6350531002225
746456602251
oct12334464711
93546321638
101400007113
116592a407a
12330a39375
13194081a9b
14d3d14961
1582d96dc8
hex537269c9

1400007113 has 4 divisors (see below), whose sum is σ = 1415737620. Its totient is φ = 1384276608.

The previous prime is 1400007109. The next prime is 1400007121. The reversal of 1400007113 is 3117000041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 631165129 + 768841984 = 25123^2 + 27728^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400007113 - 22 = 1400007109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400007091 and 1400007100.

It is not an unprimeable number, because it can be changed into a prime (1400007013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7865120 + ... + 7865297.

It is an arithmetic number, because the mean of its divisors is an integer number (353934405).

Almost surely, 21400007113 is an apocalyptic number.

It is an amenable number.

1400007113 is a deficient number, since it is larger than the sum of its proper divisors (15730507).

1400007113 is an equidigital number, since it uses as much as digits as its factorization.

1400007113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15730506.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1400007113 is about 37416.6689190794. The cubic root of 1400007113 is about 1118.6908366578.

Adding to 1400007113 its reverse (3117000041), we get a palindrome (4517007154).

The spelling of 1400007113 in words is "one billion, four hundred million, seven thousand, one hundred thirteen".

Divisors: 1 89 15730417 1400007113